cranberry tree vs crampbark

cranberry tree and crampbark both are nouns.

Word	Noun	Adjective	Verb	Adverb
cranberry tree	Yes	No	No	No
crampbark	Yes	No	No	No

As nouns, cranberry tree and crampbark are synonyms defined as:

cranberry tree and crampbark: deciduous thicket-forming Old World shrub with clusters of white flowers and small bright red berries

Other synonyms of cranberry tree include European cranberry bush, European cranberrybush, guelder rose, Viburnum opulus.

cranberry tree (noun)	crampbark (noun)
deciduous North American shrub or small tree having three-lobed leaves and red berries	deciduous thicket-forming Old World shrub with clusters of white flowers and small bright red berries
deciduous thicket-forming Old World shrub with clusters of white flowers and small bright red berries